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判断题 The purpose of selection and mating is not to make improvements for the present generation, but to expect a certain degree of improvement in the herd of offspring
学科：默认课程
时间：2025-09-08 23:13:25
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题目1判断题
The purpose of selection and mating is not to make improvements for the present generation, but to expect a certain degree of improvement in the herd of offspringA. 正确B. 错误
题目2判断题
Cows are of a higher grade than bullsA. 正确B. 错误
题目3判断题
Bulls are of a higher grade than cowsA. 正确B. 错误
题目4判断题
For general cattle herds, the number of inbred lines should be kept below 4%A. 正确B. 错误
题目5判断题
When mating, if the cow has many defects, choose to improve the primary trait first. If multiple defects are improved at once, it will reduce the selection difference, slow down the genetic improvement rate, and fail to achieve the expected improvement of the herdA. 正确B. 错误
题目6判断题
When mating, if the cow has many defects, multiple defects should be improved at once to achieve the desired effect as soon as possibleA. 正确B. 错误
题目7判断题
When assessing the appearance of a male or female cow, if there is one obvious physical defect in the breast, limbs or body, it cannot be rated as a special gradeA. 正确B. 错误
题目8判断题
For breeding cows, the focus is on lactation performance, the reproductive capacity of the maternal and paternal cows, longevity, and resistance to certain diseasesA. 正确B. 错误
题目9判断题
When assessing the appearance of a cow, look at the whole first, then the parts, and finally score the wholeA. 正确B. 错误
题目10判断题
When choosing a breeding bull, there is no need to consider milk productionA. 正确B. 错误
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